The lines of force of the three primary elbow flexors - lecture
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Questions and Answers

What is the percentage difference between flexion torques and extensor torques in the elbow?

  • 50%
  • 70% (correct)
  • 90%
  • 110%
  • Which joint has greater extensor torques than flexor torques?

  • Elbow
  • Knee (correct)
  • Shoulder
  • Wrist
  • What is the functional demand placed on elbow flexors?

  • Minimal
  • Moderate
  • High (correct)
  • Very high
  • Which muscle is a strong supinator of the forearm?

    <p>Biceps brachii</p> Signup and view all the answers

    How much greater are flexor torques when the forearm is supinated compared to when it is pronated?

    <p>20-25%</p> Signup and view all the answers

    What is the primary function of the elbow flexors?

    <p>Flexion</p> Signup and view all the answers

    Which joint has a similar demand placed on its extensors as the elbow flexors?

    <p>Knee</p> Signup and view all the answers

    Which muscle is not one of the primary elbow flexors?

    <p>Triceps brachii</p> Signup and view all the answers

    Which muscle is not involved in forearm supination?

    <p>Pronator teres</p> Signup and view all the answers

    What is the percentage difference between flexor torques with a pronated forearm and no resistance compared to a supinated forearm and no resistance?

    <p>20-25%</p> Signup and view all the answers

    Which muscle is not involved in elbow flexion?

    <p>Triceps brachii</p> Signup and view all the answers

    Which joint has a greater demand placed on its flexors than its extensors?

    <p>Elbow</p> Signup and view all the answers

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